html, body, #app {
  /* border: solid 1px black; */
  height: 100%;
  min-height: 200px;
  margin: 0;
  padding: 0;
}

/* 全局样式表 */
html, body, #app {
  height:100%;
  margin: 0;
  padding: 0;
  min-height: 200px;
 }
 .el-breadcrumb {
  margin-bottom: 15px;
 }
 .el-table {
  margin: 15px 0px;
 }